13 feet per second in miles per hour
Result
The conversion result is: 13 feet per second is equivalent to 8.86363636363636 miles per hour.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 mile per hour is equal to 0.112820512820513 times 13 feet per second.
It can also be expressed as: 13 feet per second is equal to 1 / 0.112820512820513 miles per hour.
Approximation
An approximate numerical result would be: thirteen feet per second is about eight point eight five miles per hour, or alternatively, a mile per hour is about zero point one one times thirteen feet per second.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.